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Monitor: support spare-group manipulation for 1.x metadata. 

The code for moving spares around a spare-group currently
only works for 0.90 metadata.  Generalise it for 1.x metadata
as well.

Reported-by: "Garth Snyder" <garth@grsweb.us>
Signed-off-by NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-05-12 09:49:45 +10:00
parent 6957819fe6
commit c7b474474c
4 changed files with 22 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Manage.c
View File

@ -292,11 +292,15 @@ int Manage_subdevs(char *devname, int fd,
} else {
j = 0;
if (stat(dv->devname, &stb)) {
tfd = dev_open(dv->devname, O_RDONLY);
if (tfd < 0 || fstat(tfd, &stb) != 0) {
fprintf(stderr, Name ": cannot find %s: %s\n",
dv->devname, strerror(errno));
if (tfd >= 0)
close(tfd);
return 1;
}
close(tfd);
if ((stb.st_mode & S_IFMT) != S_IFBLK) {
fprintf(stderr, Name ": %s is not a "
"block device.\n",
@ -313,7 +317,7 @@ int Manage_subdevs(char *devname, int fd,
/* add the device */
/* Make sure it isn't in use (in 2.6 or later) */
tfd = open(dv->devname, O_RDONLY|O_EXCL);
tfd = dev_open(dv->devname, O_RDONLY|O_EXCL);
if (tfd < 0) {
fprintf(stderr, Name ": Cannot open %s: %s\n",
dv->devname, strerror(errno));

19
Monitor.c
View File

@ -470,16 +470,25 @@ int Monitor(mddev_dev_t devlist,
}
}
if (dev > 0) {
if (ioctl(fd2, HOT_REMOVE_DISK,
(unsigned long)dev) == 0) {
if (ioctl(fd1, HOT_ADD_DISK,
(unsigned long)dev) == 0) {
struct mddev_dev_s devlist;
char devname[20];
devlist.next = NULL;
devlist.used = 0;
devlist.re_add = 0;
devlist.writemostly = 0;
devlist.devname = devname;
sprintf(devname, "%d:%d", major(dev), minor(dev));
devlist.disposition = 'r';
if (Manage_subdevs(st2->devname, fd2, &devlist, -1) == 0) {
devlist.disposition = 'a';
if (Manage_subdevs(st->devname, fd1, &devlist, -1) == 0) {
alert("MoveSpare", st->devname, st2->devname, mailaddr, mailfrom, alert_cmd, dosyslog);
close(fd1);
close(fd2);
break;
}
else ioctl(fd2, HOT_ADD_DISK, (unsigned long) dev);
else Manage_subdevs(st2->devname, fd2, &devlist, -1);
}
}
close(fd1);

2
super0.c
View File

@ -672,7 +672,7 @@ static int write_init_super0(struct supertype *st,
mdu_disk_info_t *dinfo, char *devname)
{
mdp_super_t *sb = st->sb;
int fd = open(devname, O_RDWR|O_EXCL);
int fd = dev_open(devname, O_RDWR|O_EXCL);
int rv;
if (fd < 0) {

2
super1.c
View File

@ -887,7 +887,7 @@ static int write_init_super1(struct supertype *st,
{
struct mdp_superblock_1 *sb = st->sb;
struct supertype refst;
int fd = open(devname, O_RDWR | O_EXCL);
int fd = dev_open(devname, O_RDWR | O_EXCL);
int rfd;
int rv;
int bm_space;